A104007 - cp's OEIS frontend

A104007 Denominators of coefficients in expansion of x^2(1-exp(-2x))^(-2).

n	a(n)
0	4
1	2
2	12
3	6
4	60
5	90
6	378
7	945
8	2700
9	9450
10	20790
11	93555
12	116093250
13	638512875
14	1403325
15	18243225
16	43418875500
17	325641566250
18	4585799468250
19	38979295480125
20	161192575293750
21	1531329465290625
22	640374140030625
23	13447856940643125
24	17558223649022306250

[4, 2, 12, 6, 60, 90, 378, 945, 2700, 9450, 20790, 93555, 116093250, 638512875, 1403325, 18243225, 43418875500, 325641566250, 4585799468250, 38979295480125, 161192575293750, 1531329465290625, 640374140030625, 13447856940643125, 17558223649022306250]

cp's OEIS Frontend

A104007 Denominators of coefficients in expansion of x^2(1-exp(-2x))^(-2).

Table of values

List of values

cp's OEIS Frontend

A104007 Denominators of coefficients in expansion of x^2*(1-exp(-2*x))^(-2).

Table of values

List of values

A104007 Denominators of coefficients in expansion of x^2(1-exp(-2x))^(-2).